Base | Representation |
---|---|
bin | 1100101010100… |
… | …1111001110101 |
3 | 10200222000102102 |
4 | 3022221321311 |
5 | 102044442400 |
6 | 5134351445 |
7 | 1213360403 |
oct | 312517165 |
9 | 120860372 |
10 | 53124725 |
11 | 27a95435 |
12 | 1595b585 |
13 | b010764 |
14 | 70ac473 |
15 | 49e59d5 |
hex | 32a9e75 |
53124725 has 12 divisors (see below), whose sum is σ = 67482660. Its totient is φ = 41462400.
The previous prime is 53124719. The next prime is 53124739. The reversal of 53124725 is 52742135.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 12687844 + 40436881 = 3562^2 + 6359^2 .
It is not a de Polignac number, because 53124725 - 28 = 53124469 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24890 + ... + 26939.
It is an arithmetic number, because the mean of its divisors is an integer number (5623555).
Almost surely, 253124725 is an apocalyptic number.
It is an amenable number.
53124725 is a deficient number, since it is larger than the sum of its proper divisors (14357935).
53124725 is a wasteful number, since it uses less digits than its factorization.
53124725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51880 (or 51875 counting only the distinct ones).
The product of its digits is 8400, while the sum is 29.
The square root of 53124725 is about 7288.6710036878. The cubic root of 53124725 is about 375.9230003976.
The spelling of 53124725 in words is "fifty-three million, one hundred twenty-four thousand, seven hundred twenty-five".
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